Mixtures and Solutions Investigation

At 30°C, which substance has the lowest solubility?

• NaNO3

• KCl

• NaCl

• KClO3

Tags

NGSS.HS-PS3-4

At 80°C, KCl's solubility is:

• 52

• 40

• 65

• 5

Tags

NGSS.HS-PS3-4

Determine the solubility for the substances at 55°C and arrange them in order from lowest to highest solubility.

• NaCl, NH4Cl, KNO3, NaNO3

• NaNO3, NH4Cl, KNO3, NaCl

• NH4Cl, NaCl, NaNO3, KBr

• NH4Cl, NaNO3, KNO3, NaCl

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-4

At 10°C, NaNO₃'s solubility is 80 g/100 g of H2O. Based on this information, what would the solubility be in 50 g of H₂O.

• 40

• 80

• 160

• 16

Identify if the following solution would be saturated, unsaturated, or supersaturated: 103 g KNO₃ at 40°C in 100g water.

• Unsaturated

• Saturated

• Supersaturated

Tags

NGSS.HS-PS3-4

Identify how many grams of KNO₃ is required to make a saturated solution at 40°C.

• 65 g

• 45 g

• 55 g

• 33 g

How could you change a saturated solution to an unsaturated solution?

• Add solvent

• Add solute

Identify the saturation associated with the product of this experiment.

• Unsaturated

• Saturated

• Supersaturated

Tags

NGSS.MS-PS1-2

Which is an example of a solvent?

• Salt
• Egg whites
• Water
• Sugar

Tags

NGSS.HS-PS1-5

Which is an example of a solute?

• Egg whites
• Sugar
• Water
• Acetone